Start loading travel nodes; fix bitmap loading issue.

ai.lua

@@ -0,0 +1,30 @@
+--Manage the AI nodes used by DEFCON.
+local t = {}
+local bmp = require 'bmp'
+local lg = assert( love.graphics )
+
+function t.load( filename )
+  local img, imgd = bmp.load( filename )
+  local nodes = { 
+    visible = true,
+    att = {},
+    def = {},
+    img = img,
+    imgd = imgd }
+  
+  print( "PIXEL: ", imgd:getPixel( 1, 1 ) )
+  
+  return setmetatable( nodes, {__index = t } )
+end
+
+function t.draw( nodes )
+  lg.points( nodes.att )
+  lg.points( nodes.def )
+  lg.draw( nodes.img ) 
+end
+
+function t.save( nodes, filename )
+  
+end
+
+return t

bmp.lua

@@ -10,7 +10,7 @@ local bit = require 'bit'
 function t.load( filename )
   local imgd = love.image.newImageData( filename )
   print( "LOADING BITMAP: ", filename, imgd:getSize(), imgd:getFormat(), imgd:getDimensions() )
-  return love.graphics.newImage( imgd )
+  return love.graphics.newImage( imgd ), imgd
 end
 
 function t.save( data, format )

camera.lua

@@ -1,7 +1,12 @@
 local tf = love.math.newTransform()
 local tfTerritory = love.math.newTransform()
+local tfNodes = love.math.newTransform()
 local lg = assert( love.graphics )
-local Camera = { x = 0, y = 0, w = 360, h = 200, zoom = 1, tf = tf, tfTerritory = tfTerritory }
+local Camera = { 
+  x = 0, y = 0,
+  w = 360, h = 200,
+  zoom = 1, tf = tf,
+  tfTerritory = tfTerritory, tfNodes = tfNodes }
 
 function Camera.GetWorldCoordinate( x, y )
   return tf:inverseTransformPoint( x, y )
@@ -11,6 +16,10 @@ function Camera.GetBitmapCoordinate( x, y )
   return tfTerritory:inverseTransformPoint( x, y )
 end
 
+function Camera.GetNodeCoordinate( x, y )
+  return tfNodes:inverseTransformPoint( x, y )
+end
+
 function Camera.Zoom( out )
   local scale = out and 1.1 or 0.9  
   tf:scale( scale, scale )
@@ -37,6 +46,11 @@ function Camera.Set( x, y, w, h )
   tfTerritory:reset()
   tfTerritory:scale( w / 512, h / 285 )
   tfTerritory:translate( -x * 512 / 360, y * 512 / 360 )  
+  
+  tfNodes:reset()
+  tfNodes:scale( w / 360, h / 200 )
+  tfNodes:translate( 180 - x , y + 100 )
+  --tfNodes:translate( -x * 800 / 360, y * 400 / 200 )
 end
 
 function Camera.Resize( w, h )

map.lua

@@ -1,4 +1,5 @@
 local lg = love.graphics
+local AI = require 'ai'
 local Cities = require 'cities'
 local Lines = require 'lines'
 local Nodes = require 'nodes'
@@ -30,6 +31,7 @@ function map.load()
   map.coastlinesLow = Lines.load( "data/earth/coastlines-low.dat" )
   map.international = Lines.load( "data/earth/international.dat" )
   map.travelnodes = Nodes.load( "data/earth/travel_nodes.bmp" )
+  map.ainodes = AI.load( "data/earth/ai_markers.bmp" )
   for k, v in pairs(map.territory) do
     map.territory[k] = Territory.load( "data/earth/"..k..".bmp", k )
   end
@@ -39,9 +41,10 @@ end
 function map.draw()
   lg.clear( 0, 0, 0, 1 )
 
-
-  do --travel nodes
-    map.travelnodes:draw()
+  
+  do -- ai nodes
+    lg.replaceTransform( Camera.tfTerritory )
+    map.ainodes:draw()
   end
 
 
@@ -93,6 +96,11 @@ function map.draw()
       lg.line( -180, 100, 180, 100 )
       lg.line( -180, -100, 180, -100 )
     end
+    
+    do --travel nodes
+      lg.replaceTransform( Camera.tfNodes )
+      map.travelnodes:draw()
+    end
 
   end
 

nodes.lua

@@ -6,8 +6,25 @@ local bmp = require 'bmp'
 local lg = assert( love.graphics )
 
 function t.load( filename )
-  local nodes = { visible = true, points = {}, connections = {}, img = bmp.load( filename ) }
   
+  local img, imgd = bmp.load( filename )
+  local nodes = { visible = true, points = {}, connections = {}, img = img }
+  
+  print( "=== Loading Nodes: ===" )
+  for x = 0, 799 do
+    for y = 0, 399 do
+      if imgd:getPixel( x, 399 - y ) > 0 then
+        local long = 360 * ( x - 800 ) / 800 - 360 / 2 + 360
+        local lat = 360 * ( 600 / 800 ) * ( 600 - y ) / 600 - 180
+        local n = #nodes.points
+        nodes.points[n + 1] = long
+        nodes.points[n + 2] = lat
+        print( long, lat )
+      end
+    end
+  end
+  
+  print( "=== Nodes Loaded ===" )
   return setmetatable( nodes, {__index = t } )
 end
 
@@ -16,8 +33,9 @@ function t.isConnected( nodes )
 end
 
 function t.draw( nodes )
+  lg.setPointSize( 10 )
+  lg.setColor( 1, 1, 1, 0.5 )
   lg.points( nodes.points )
-  lg.draw( nodes.img ) 
 end
 
 function t.drawConnections( nodes )

territory.lua

@@ -13,11 +13,13 @@ local colours = {
   }
 
 function t.load( filename, name )
+  local img, imgd = assert( bmp.load( filename ) )
   local territory = { 
     visible = true, 
     name = name,
     colour = colours[name],
-    img = assert( bmp.load( filename ) )
+    img = img,
+    imgd = imgd
   }
   return setmetatable( territory, {__index = t } )
 end